The weather in Khao Lak in September is very hot. The average temperatures are between 25°C and 29°C, drinking water regularly is advisable.
There’s going to be many days of rain during the month of September in Khao Lak.
Khao Lak should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Khao Lak in September 2025.
If you’re planning to visit Khao Lak in the near future, we highly recommend that you review the 14 day weather forecast for Khao Lak before you arrive.
Temperatures
29° / 25°
Rainy Days
15
Snowy Days
0
Dry Days
15
Rainfall
373
mm
Sun Hours
10.0
Hrs
